/**
 *
 * @returns {*}
 * @author wan
 * @description 生成唯一uuid方法
 */
export default function generateUUID() {
  let d = new Date().getTime();
  if (window.performance && typeof window.performance.now === "function") {
    d += performance.now(); //use high-precision timer if available
  }
  const uuid = "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(
    /[xy]/g,
    function (c) {
      const r = (d + Math.random() * 16) % 16 | 0;
      d = Math.floor(d / 16);
      return (c == "x" ? r : (r & 0x3) | 0x8).toString(16);
    }
  );
  return uuid;
}
